(Print) Use this randomly generated list as your call list when playing the game. There is no need to say the BINGO column name. Place some kind of mark (like an X, a checkmark, a dot, tally mark, etc) on each cell as you announce it, to keep track. You can also cut out each item, place them in a bag and pull words from the bag.
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discovered the electron; disproved atomic theory that assumed atoms were indivisible
J.J. Thompson
particle that has a negative charge
electron
John Dalton
Developed the "Billiard Ball" atomic model
Conduct heat and electricity, but not as well as metals
metaloids
what determines what the element is
The number of protons in an atom
Term for outer most shell of an atom
Valence shell
said electrons could only orbit the nucleus in specific orbits or shells
Niels Bohr
ductile
can be drawn into thin wires
atomic mass
total # of protons and neutrons in nucleus
The electron configuration of an atom with 15 electrons
2,8,5
means easily hammered into very thin sheets
malleable
Vertical columns in Periodic table
Groups
how electron shells of an atom are filled
from the inside out
electron configuration of atom in Period 4, Group 1
2,8,8,1
particle that has no charge
neutron
"plumb pudding" atomic model
negative particles floating within a mass of diffuse positive charge
the center of the atom where most of the mass is located
nucleus
early Greek to develop the idea that everything is composed entirely of various imperishable, indivisible elements called atoms.
Democritus
Atomic model that electron is a "cloud" around the nucleus
Quantum Mechanical model
The largest category of elements
metals
atomos
Greek for "indivisible"
Where electrons with the lowest energy are found
electrons found closest to the nucleus
what atoms are mostly made of
empty space
elements within a period have the same number of ?
electron shells or orbitals
# of valence electrons = ?
Group #
Atom in the 4th Period will have ? shells
four
increases from left to right across a Period
Atomic Number
Octet rule
atoms are more stable when they have eight electrons in their outermost electron shell
the smallest unit of matter that retains all of the chemical properties of an element
What an atom is
Elements that are poor conductors of both heat and electricity
non-metals
The electron configuration of an atom with 14 electrons
2,8,4
electron configuration of atom in Group 3, 2nd Period
2,3
means shiny
luster
a neutral atom
an atom with equal number of protons and electrons
holds a maximum of two electrons
first energy level; innermost K- shell
Discovered the atomic nucleus
Ernest Rutherford
the atomic number
tells us the number of protons in an element's atom
